CN105038685A - Non-tar cable connector polyurethane waterproof sealant and preparation method thereof - Google Patents
Non-tar cable connector polyurethane waterproof sealant and preparation method thereof Download PDFInfo
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- CN105038685A CN105038685A CN201510498752.XA CN201510498752A CN105038685A CN 105038685 A CN105038685 A CN 105038685A CN 201510498752 A CN201510498752 A CN 201510498752A CN 105038685 A CN105038685 A CN 105038685A
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Abstract
The invention relates to a non-tar cable connector polyurethane waterproof sealant. The non-tar cable connector polyurethane waterproof sealant consists of a polyurethane pre-polymer component and a curing agent component, wherein the weight ratio of the polyurethane pre-polymer component to the curing agent component is 1 to 2, and according to parts by weight, the polyurethane pre-polymer component consists of 450 to 600 parts of polyether 3050, 150 to 200 parts of polyether 220 and 135 to 180 parts of toluene diisocynate; the curing agent component consists of 302 to 550 parts of a softening agent, 184 to 400 parts of a compatilizer, 150 to 330 parts of a diluting agent, 43 to 86 parts of a curing agent, 50 to 100 parts of dioctyl phthalate and 5 to 10 parts of stannous octoate. The invention also provides a preparation method of the non-tar cable connector polyurethane waterproof sealant. The test shows that the tensile strength of the waterproof sealant is greater than 2.45MPa, and the elongation at break is more than 390 percent; the volume resistivity is greater than 3*1010 omegas per centimeter.
Description
Technical field
The invention belongs to chemical field, relate to a kind of waterproof gasket cement, specifically a kind of non-tar cable splice polyurethane water-proof seal gum and preparation method thereof.
Background technology
Cable splice is the key point in full section cable, and according to statistics, the cable fault major part that non-external force causes is caused by cable intermediate joint fault.
Cable splice waterproof gasket cement is called for short cable gum, is for a kind of seal gum in the middle of cable splice, plays protection joint; the effect of water-tight, therefore, the service requirements of cable gum is have certain mechanical property and must have good weathering resistance; stopping property, water-repellancy and electrical property.
Cable gum on the market mainly contains urethane cable gum, terminal hydroxy group organosilicon cable gum, epoxy resin cable gum, butyl cable gum etc.Urethane cable gum is wherein owing to having good adhesive property, weather resistance and excellent insulating property, sealing property, and the modification scope of mechanical property is large, and the cost of urethane is lower, and therefore urethane cable gum is widely used.
Owing to can tar be used in a large number as the stopping composition with tenderizer effect in existing its preparation process of urethane cable gum, although the consistency of tar and urethane well can fully demonstrate the mechanical property of urethane, but the feature of environmental protection of tar is queried widely, and data show that tar has carinogenicity.And the use of cable gum at present also proposes higher mechanical property, electrical insulation capability to it and has the requirement of certain transparency, therefore, need to develop a kind of non-tar, there is the high performance polyurethane cable gum of certain transparency.Its difficult point is can not use the solid filler of the impact transparency in cable gum and limit the amount of urethane in order to avoid affect electrical insulating property (urethane polarity is larger), and this is very different with regard to causing the polyurethane sealant of urethane cable gum and architectural use.
The main performance index of some company standards of current urethane cable gum is tensile strength>=1.65MPa; Elongation at break>=350%; Volume specific resistance>=1*10
10Ω/cm.
Summary of the invention
For above-mentioned technical problem of the prior art, the invention provides a kind of non-tar cable splice polyurethane water-proof seal gum and preparation method thereof, described this non-tar cable splice polyurethane water-proof seal gum and preparation method thereof solves the technical problem that cable splice polyurethane water-proof seal gum of the prior art uses with serious pollution tar, opaque and mechanical property, electrical insulation capability not good.
A kind of non-tar cable splice polyurethane water-proof seal gum of the present invention, be made up of base polyurethane prepolymer for use as component and curing agent component, described base polyurethane prepolymer for use as component and the weight ratio of curing agent component are 1:2, described base polyurethane prepolymer for use as component calculates by weight, its raw material composition and content as follows:
Polyethers 3050450 ~ 600 parts,
Polyether 220 150 ~ 200 parts,
Tolylene diisocyanate 135 ~ 180 parts,
Described curing agent component calculates by weight, its raw material composition and content as follows:
Tenderizer 302 ~ 550 parts,
Compatilizer 184 ~ 400 parts,
Thinner 150 ~ 330 parts,
43 ~ 86 parts, solidifying agent,
Dioctyl phthalate (DOP) 50 ~ 100 parts,
Stannous octoate 5 ~ 10 parts,
Described tenderizer is clorafin;
Described compatilizer is liquid coumarone indene resin;
Described solidifying agent is chloro-4, the 4'-diaminodiphenyl-methanes of 3,3'-bis-;
Described thinner is No. 150 solvent oils.
Further, the specification of described liquid coumarone indene resin is light yellow, viscosity 26s.
Present invention also offers the preparation method of above-mentioned a kind of non-tar cable splice polyurethane water-proof seal gum, comprise the steps:
(1), polyethers 3050, Polyether 220, tolylene diisocyanate is taken according to parts by weight, polyethers 3050, Polyether 220 are added reactor, at 120 DEG C, dewater 2 hours under the condition of vacuum tightness 0.095MPa, then cool the temperature to 85 DEG C and add tolylene diisocyanate, react 3 hours under temperature control 85 DEG C of normal pressures, be then cooled to room temperature discharging, obtain base polyurethane prepolymer for use as component;
(2), tenderizer, compatilizer, thinner, solidifying agent, dioctyl phthalate (DOP), stannous octoate is taken according to parts by weight, thinner, tenderizer, solidifying agent, compatilizer are added in reactor, at 100 DEG C, dewater 1 hour under the condition of vacuum tightness 0.075MPa, then be cooled to 80 DEG C, add dioctyl phthalate (DOP), stannous octoate, be uniformly mixed, then be cooled to room temperature discharging, obtain curing agent component;
(3), by base polyurethane prepolymer for use as component and curing agent component by weight 1:2 mix, cable splice polyurethane water-proof seal gum.
Further, described base polyurethane prepolymer for use as component and the weight ratio of curing agent component are 1:2.
One of the present invention non-tar cable splice polyurethane water-proof seal gum, due to not containing tar event, has certain feature of environmental protection; Solid packing and tar is not used to make product have certain transparency; Control polyurethane content and make product have higher electrical insulating property (resistivity).The consistency being all not so good as (comprising clorafin) tar and urethane due to general tenderizer stopping composition is good, therefore the compatilizer increasing selected tenderizer and urethane compatibility is used, the tensile strength of product and elongation at break are improved, its know-why is compatilizer coumarone indene resin is coumarone-indene resin structure, its structure and made polyurethane structural have larger similarity, and cumarone and clorafin have polar interaction, thus enhance the compatibility of clorafin and base polyurethane prepolymer for use as.Because the volatility of coumarone indene resin is little, in fact become a kind of increase-volume stopping composition.
One of the present invention non-tar cable splice polyurethane water-proof seal gum, its tensile strength>=2.45MPa after testing; Elongation at break>=390%; Volume specific resistance>=3*10
10Ω/cm.
The present invention compares with prior art, and its technical progress is significant.The present invention owing to not using solid packing and tar, and makes product have certain transparency; Do not use solid packing and reduce polyurethane content, select and use suitable tenderizer weighting material to substitute urethane, polyurethane content is no more than 1/3 of product population, and makes product have higher resistivity.Use the compatilizer increasing selected tenderizer and urethane compatibility simultaneously, the tensile strength of product and elongation at break are improved.
Accompanying drawing explanation
Fig. 1 is the light transmittance curve of the non-tar cable splice polyurethane water-proof seal gum of gained in embodiment 1.
Embodiment
Further illustrate the present invention below in conjunction with specific embodiment how to realize, but do not limit the present invention.
The present invention's various raw materials used are the commercially available conventional raw material for resin, coating.
The tensile property (tensile strength, elongation at break) of a kind of non-tar cable splice polyurethane water-proof seal gum of the present invention, measures by GB-T19250-2013 " polyurethane water-proof paint " assay method.
The volume specific resistance of a kind of non-tar cable splice polyurethane water-proof seal gum of the present invention, measures by GB/T1410-2006 " solid insulating material volume specific resistance and surface resistivity test method ".
The transmittance of a kind of non-tar cable splice polyurethane water-proof seal gum of the present invention, adopts the 754N type ultraviolet-visible pectrophotometer of Shanghai Ao Pule Instrument Ltd. to measure.
embodiment 1
A kind of non-tar cable splice polyurethane water-proof seal gum, calculates by weight, its raw material composition and content as follows:
Component A:
Polyethers 3050500 parts
Polyether 220 200 parts
Tolylene diisocyanate (TDI) 157 parts
B component:
Clorafin 542 parts
Coumarone indene resin 400 parts
No. 150 solvent oils 330 parts
Chloro-4, the 4'-diaminodiphenyl-methane 86 parts of 3,3'-bis-
Dioctyl phthalate (DOP) 100 parts
Stannous octoate 10 parts
The preparation method of above-mentioned a kind of non-tar cable splice polyurethane water-proof seal gum, specifically comprises the steps:
(1), by 500 parts of polyethers, 3050,200 parts of Polyether 220s add reactor, at 120 DEG C, dewater 2 hours under the condition of vacuum tightness 0.095MPa.Then temperature to 85 DEG C is added 157 parts of TDI, react 3 hours under temperature control 85 DEG C of normal pressures, be then cooled to room temperature discharging, obtain base polyurethane prepolymer for use as component (component A).
(2), 330 parts of No. 150 solvent oils, 542 parts of clorafins, 86 part of 3,3'-bis-chloro-4,4'-diaminodiphenyl-methanes, 400 parts of coumarone indene resins are added in reactor, at 100 DEG C, dewater 1 hour under the condition of vacuum tightness 0.075MPa.Then be cooled to 80 DEG C, add 100 parts of dioctyl phthalate (DOP)s, 10 parts of stannous octoates, are uniformly mixed half an hour, are then cooled to room temperature discharging, obtain curing agent component (B component).
(3), by component A and B component by weight 1:2 mix cable splice polyurethane water-proof seal gum.
The non-tar cable splice polyurethane water-proof seal gum of above-mentioned gained is after film forming drying, and its tensile strength is 2.50MPa after testing; Elongation at break is 398%.
The non-tar cable splice polyurethane water-proof seal gum of above-mentioned gained is after film forming drying, and its volume specific resistance is 3.9*10 after testing
10Ω/cm.
The non-tar cable splice polyurethane water-proof seal gum of above-mentioned gained is after film forming drying, and its transmittance is 13% after testing, and measurement result as shown in drawings.
embodiment 2
A kind of non-tar cable splice polyurethane water-proof seal gum, calculates by weight, its raw material composition and content as follows:
Component A:
Polyethers 3050450 parts
Polyether 220 150 parts
Tolylene diisocyanate (TDI) 135 parts
B component:
Clorafin 302 parts
Coumarone indene resin 184 parts
No. 150 solvent oils 150 parts
Chloro-4, the 4'-diaminodiphenyl-methane 43 parts of 3,3'-bis-
Dioctyl phthalate (DOP) 50 parts
Stannous octoate 5 parts
The preparation method of above-mentioned a kind of non-tar cable splice polyurethane water-proof seal gum, specifically comprises the steps:
(1), by 450 parts of polyethers, 3050,150 parts of Polyether 220s add reactor, at 120 DEG C, dewater 2 hours under the condition of vacuum tightness 0.095MPa.Then temperature to 85 DEG C is added 135 parts of TDI, react 3 hours under temperature control 85 DEG C of normal pressures, be then cooled to room temperature discharging, obtain base polyurethane prepolymer for use as component (component A).
(2), 150 parts of No. 150 solvent oils, 302 parts of clorafins, 43 part of 3,3'-bis-chloro-4,4'-diaminodiphenyl-methanes, 184 parts of coumarone indene resins are added in reactor, at 100 DEG C, dewater 1 hour under the condition of vacuum tightness 0.075MPa.Then be cooled to 80 DEG C, add 50 parts of dioctyl phthalate (DOP)s, 5 parts of stannous octoates, are uniformly mixed half an hour, are then cooled to room temperature discharging, obtain curing agent component (B component).
(3), by component A and B component by weight 1:2 mix cable splice polyurethane water-proof seal gum.
The non-tar cable splice polyurethane water-proof seal gum of above-mentioned gained is after film forming drying, and its tensile strength is 2.56MPa after testing; Elongation at break is 392%.
The non-tar cable splice polyurethane water-proof seal gum of above-mentioned gained after film forming drying, its volume specific resistance>=4.2*10 after testing
10Ω/cm.
embodiment 3
A kind of non-tar cable splice polyurethane water-proof seal gum, calculates by weight, its raw material composition and content as follows:
Component A:
Polyethers 3050600 parts
Polyether 220 195 parts
Tolylene diisocyanate (TDI) 180 parts
B component:
Clorafin 550 parts
Coumarone indene resin 187 parts
No. 150 solvent oils 153 parts
Chloro-4, the 4'-diaminodiphenyl-methane 60 parts of 3,3'-bis-
Dioctyl phthalate (DOP) 70 parts
Stannous octoate 7 parts
The preparation method of above-mentioned a kind of non-tar cable splice polyurethane water-proof seal gum, specifically comprises the steps:
(1), by 600 parts of polyethers, 3050,195 parts of Polyether 220s add reactor, at 120 DEG C, dewater 2 hours under the condition of vacuum tightness 0.095MPa.Then temperature to 85 DEG C is added 180 parts of TDI, react 3 hours under temperature control 85 DEG C of normal pressures, be then cooled to room temperature discharging, obtain base polyurethane prepolymer for use as component (component A).
(2), 153 parts of No. 150 solvent oils, 550 parts of clorafins, 60 part of 3,3'-bis-chloro-4,4'-diaminodiphenyl-methanes, 187 parts of coumarone indene resins are added in reactor, at 100 DEG C, dewater 1 hour under the condition of vacuum tightness 0.075MPa.Then be cooled to 80 DEG C, add 70 parts of dioctyl phthalate (DOP)s, 7 parts of stannous octoates, are uniformly mixed half an hour, are then cooled to room temperature discharging, obtain curing agent component (B component).
(3), by component A and B component by weight 1:2 mix cable splice polyurethane water-proof seal gum.
The non-tar cable splice polyurethane water-proof seal gum of above-mentioned gained is after film forming drying, and its tensile strength is 2.48MPa after testing; Elongation at break is 405%.
The non-tar cable splice polyurethane water-proof seal gum of above-mentioned gained is after film forming drying, and its volume specific resistance is 4.0*10 after testing
10Ω/cm.
In sum, one of the present invention non-tar cable splice polyurethane water-proof seal gum, overcome primary tar type cable splice polyurethane water-proof seal gum and use large, the opaque shortcoming of tar pollution, and invention product has higher electrical insulating property (resistivity) and mechanical property.
Above said content be only the present invention conceive under basic explanation, and according to any equivalent transformation that technical scheme of the present invention is done, all should protection scope of the present invention be belonged to.
Claims (3)
1. a non-tar cable splice polyurethane water-proof seal gum, it is characterized in that: be made up of base polyurethane prepolymer for use as component and curing agent component, described base polyurethane prepolymer for use as component and the weight ratio of curing agent component are 1:2, described base polyurethane prepolymer for use as component calculates by weight, its raw material composition and content as follows:
Polyethers 3050450 ~ 600 parts,
Polyether 220 150 ~ 200 parts,
Tolylene diisocyanate 135 ~ 180 parts,
Described curing agent component calculates by weight, its raw material composition and content as follows:
Tenderizer 302 ~ 550 parts,
Compatilizer 184 ~ 400 parts,
Thinner 150 ~ 330 parts,
43 ~ 86 parts, solidifying agent,
Dioctyl phthalate (DOP) 50 ~ 100 parts,
Stannous octoate 5 ~ 10 parts,
Described tenderizer is clorafin;
Described compatilizer is liquid coumarone indene resin;
Described solidifying agent is chloro-4, the 4'-diaminodiphenyl-methanes of 3,3'-bis-;
Described thinner is No. 150 solvent oils.
2. a kind of non-tar cable splice polyurethane water-proof seal gum as claimed in claim 1, is characterized in that: the specification of described liquid coumarone indene resin is light yellow, viscosity 26s.
3. the preparation method of a kind of non-tar cable splice polyurethane water-proof seal gum according to claim 1, is characterized in that: comprise the steps:
(1), polyethers 3050, Polyether 220, tolylene diisocyanate is taken according to parts by weight, polyethers 3050, Polyether 220 are added reactor, at 120 DEG C, dewater 2 hours under the condition of vacuum tightness 0.095MPa, then cool the temperature to 85 DEG C and add tolylene diisocyanate, react 3 hours under temperature control 85 DEG C of normal pressures, be then cooled to room temperature discharging, obtain base polyurethane prepolymer for use as component;
(2), tenderizer, compatilizer, thinner, solidifying agent, dioctyl phthalate (DOP), stannous octoate is taken according to parts by weight, thinner, tenderizer, solidifying agent, compatilizer are added in reactor, at 100 DEG C, dewater 1 hour under the condition of vacuum tightness 0.075MPa, then be cooled to 80 DEG C, add dioctyl phthalate (DOP), stannous octoate, be uniformly mixed, then be cooled to room temperature discharging, obtain curing agent component;
(3), by base polyurethane prepolymer for use as component and curing agent component by weight 1:2 mix, cable splice polyurethane water-proof seal gum.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142067A (en) * | 2017-05-08 | 2017-09-08 | 天长市通联焊业有限公司 | A kind of measurement of algae under water cable fluid sealant and preparation method thereof |
| CN108795275A (en) * | 2018-05-25 | 2018-11-13 | 繁昌县若木营造装饰工程有限公司 | A kind of coating and preparation method thereof that water resistance strong adhesive force is big |
| CN112552860A (en) * | 2020-11-25 | 2021-03-26 | 开来湿克威防水科技股份有限公司 | Transparent high-voltage cable sealant and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100582A (en) * | 2007-08-06 | 2008-01-09 | 北京东方雨虹防水技术股份有限公司 | Bi-component high-strength polyurethane waterproofing paint |
| CN101899262A (en) * | 2010-08-16 | 2010-12-01 | 上海应用技术学院 | Polyurethane-urea waterproof coating and preparation method thereof |
| CN104087148A (en) * | 2014-07-02 | 2014-10-08 | 常熟佳发化学有限责任公司 | High-strength polyurethane waterproof paint |
-
2015
- 2015-08-14 CN CN201510498752.XA patent/CN105038685A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100582A (en) * | 2007-08-06 | 2008-01-09 | 北京东方雨虹防水技术股份有限公司 | Bi-component high-strength polyurethane waterproofing paint |
| CN101899262A (en) * | 2010-08-16 | 2010-12-01 | 上海应用技术学院 | Polyurethane-urea waterproof coating and preparation method thereof |
| CN104087148A (en) * | 2014-07-02 | 2014-10-08 | 常熟佳发化学有限责任公司 | High-strength polyurethane waterproof paint |
Non-Patent Citations (2)
| Title |
|---|
| 袁才登: "《乳液胶黏剂》", 31 January 2004, 化学工业出版社 * |
| 陈晓康: ""一步法制备聚氨酯通信电缆灌封胶"", 《热固性树脂》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142067A (en) * | 2017-05-08 | 2017-09-08 | 天长市通联焊业有限公司 | A kind of measurement of algae under water cable fluid sealant and preparation method thereof |
| CN108795275A (en) * | 2018-05-25 | 2018-11-13 | 繁昌县若木营造装饰工程有限公司 | A kind of coating and preparation method thereof that water resistance strong adhesive force is big |
| CN112552860A (en) * | 2020-11-25 | 2021-03-26 | 开来湿克威防水科技股份有限公司 | Transparent high-voltage cable sealant and preparation method thereof |
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